Algarve weather in August
Algarve averages 32°C by day and 20°C at night in August, with the sea at 19°C and about 0 mm of rain in the month. It cools by about 4°C into September.
Day
32°C
Night
20°C
Sea
19°C
Rain
0 mm
Flight from London
2½h
What August feels like
August is hot in Algarve: proper beach weather.
The sea is 19°C: refreshing, and chilly for most people after a few minutes.
It is dry: only about 0 mm of rain in the month.
That is 9°C warmer than an average August day in London.
Of the 56 sun destinations we track, Algarve is the #15 warmest in August, and #11 of 23 within 5½ hours of the UK.
Going to Algarve in August?
Share the TikToks and Instagram Reels you've saved for Algarve to Dream Trip. It finds the places, pins them on a map and builds your days around them.
Want it warmer in August?
These are hotter than Algarve this month for at most an hour and a half more flying:
Algarve weather by month
August is highlighted. Compare with July and September, or see the full year in Algarve.
Algarve in August: quick answers
Is Algarve hot in August?
August is hot in Algarve: proper beach weather. Average highs are 32°C and lows 20°C.
Can you swim in Algarve in August?
The sea is 19°C: refreshing, and chilly for most people after a few minutes.
Does it rain in Algarve in August?
It is dry: only about 0 mm of rain in the month.
What is the warmest month in Algarve?
August, at an average high of 32°C. The coolest is January at 16°C.
How long is the flight to Algarve from the UK?
About 2½h direct from London, estimated from the 1,713 km distance. Check your airline for exact times.
Still choosing? See where is hot in August for every destination ranked by temperature, sea and flight time.
How we measured this
Averages of every day in August from 2016 to 2025, from the Open-Meteo historical weather archive (ECMWF ERA5 reanalysis). Sea temperature is the 2023 to 2025 average from the Open-Meteo marine archive. Rain is the average monthly total. Reanalysis describes an area about 25 km across, so sheltered resorts can run a degree or two warmer. Flight time is a distance-based estimate from London Heathrow.
Planning Algarve in August?
Save the restaurants, beaches and views you find on TikTok and Instagram for Algarve straight to a map, then let Dream Trip turn them into a day-by-day plan.
